Putty keygen is software used to generate DSA and RSA keys to be used with openSSH file. It is a small program but is remarakable in efficiency. Being a component of Putty, it gets automatically installed with the Talent client; in addition it can be integrated with other third party programs like WinSCP. The software can generate both public and private keys. All you need is to know before wchich kind of key you want to get generated by the software in order to pick up from given options. The key strength can be customized. Overall, the software is a secure way to SSH authentications. To download Putty Keygen, follow the link.